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    Subject[PATCH 09/18] [PATCH] BLOCK: Move __invalidate_device() to block_dev.c [try #4]
    Date
    From: David Howells <dhowells@redhat.com>

    Move __invalidate_device() from fs/inode.c to fs/block_dev.c so that it can
    more easily be disabled when the block layer is disabled.

    Signed-Off-By: David Howells <dhowells@redhat.com>
    ---

    fs/block_dev.c | 21 +++++++++++++++++++++
    fs/inode.c | 21 ---------------------
    2 files changed, 21 insertions(+), 21 deletions(-)

    diff --git a/fs/block_dev.c b/fs/block_dev.c
    index 6e24cd4..f2c3637 100644
    --- a/fs/block_dev.c
    +++ b/fs/block_dev.c
    @@ -1307,3 +1307,24 @@ void close_bdev_excl(struct block_device
    }

    EXPORT_SYMBOL(close_bdev_excl);
    +
    +int __invalidate_device(struct block_device *bdev)
    +{
    + struct super_block *sb = get_super(bdev);
    + int res = 0;
    +
    + if (sb) {
    + /*
    + * no need to lock the super, get_super holds the
    + * read mutex so the filesystem cannot go away
    + * under us (->put_super runs with the write lock
    + * hold).
    + */
    + shrink_dcache_sb(sb);
    + res = invalidate_inodes(sb);
    + drop_super(sb);
    + }
    + invalidate_bdev(bdev, 0);
    + return res;
    +}
    +EXPORT_SYMBOL(__invalidate_device);
    diff --git a/fs/inode.c b/fs/inode.c
    index 0bf9f04..6426bb0 100644
    --- a/fs/inode.c
    +++ b/fs/inode.c
    @@ -363,27 +363,6 @@ int invalidate_inodes(struct super_block
    }

    EXPORT_SYMBOL(invalidate_inodes);
    -
    -int __invalidate_device(struct block_device *bdev)
    -{
    - struct super_block *sb = get_super(bdev);
    - int res = 0;
    -
    - if (sb) {
    - /*
    - * no need to lock the super, get_super holds the
    - * read mutex so the filesystem cannot go away
    - * under us (->put_super runs with the write lock
    - * hold).
    - */
    - shrink_dcache_sb(sb);
    - res = invalidate_inodes(sb);
    - drop_super(sb);
    - }
    - invalidate_bdev(bdev, 0);
    - return res;
    -}
    -EXPORT_SYMBOL(__invalidate_device);

    static int can_unuse(struct inode *inode)
    {
    -
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